public virtual void TestException()
{
bus.WriteLong(0x08, 0x56789);
bus.WriteLong(0x0c, 0x12345);
bus.WriteLong(0x10, 0x23456);
cpu.SetPC(0x32);
cpu.SetSR(0x04);
cpu.SetAddrRegisterLong(7, 0x0100);
cpu.SetSSP(0x0200);
cpu.RaiseException(2);
Assert.Equal(0x56789, cpu.GetPC());
Assert.Equal(0x01fa, cpu.GetAddrRegisterLong(7));
Assert.Equal(0x0100, cpu.GetUSP());
Assert.True(cpu.IsSupervisorMode());
int sr = cpu.PopWord();
int pc = cpu.PopLong();
Assert.Equal(0x04, sr);
Assert.Equal(0x32, pc);
cpu.SetSR(sr);
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0x0100, cpu.GetUSP());
Assert.Equal(0x0100, cpu.GetAddrRegisterLong(7));
Assert.Equal(0x0200, cpu.GetSSP());
}
protected void HandlePC(string[] tokens)
{
if (tokens is null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (tokens.Length == 1)
{
writer.Write($"PC: {cpu.GetPC().ToString("x8", CultureInfo.InvariantCulture)}");
}
else if (tokens.Length == 2)
{
int value;
try
{
value = ParseInt(tokens[1]);
}
catch (FormatException)
{
writer.WriteLine($"Bad value [{tokens[1]}]");
return;
}
cpu.SetPC(value);
}
else
{
writer.WriteLine($"usage: {tokens[0]} [value]");
}
}
